“…The advantages of the described systems are continuous detection of IV bottle/bag fluid level [4][5][6][7][8][9][11][12][13][14], sound alarm in the patient's room [4][5][6]8,9,11,13,14], LCD for text alarms in the patient's room [4,6,9,11,13,14], alarm (sound, SMS or LCD) at the nurse room [6,7,9,12], and additional sensors for fluid level detection or monitoring of the patient's condition [6,9,12,14].…”